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How fast is 670 centimeters per second?

It's about 150,000,000 times as fast as Grass growing
The speed of Grass growing is about 0.00000400 centimeters per second.
(for Kentucky Bluegrass, Poa pratensis) (a.k.a. Smooth Meadow grass, a.k.a. Common Meadow grass) (Summer months, ideal growing conditions)
Kentucky Bluegrass, one of the most common grasses in North America, grows about 0.00000420 centimeters per second in the summer months under ideal conditions. When left un-mowed, Kentucky Bluegrass grows to heights of 60 to 90 cm (2 to 3 ft) and blossoms with a blue flower.
It's about 100 times as fast as a Sloth
The speed of a Sloth is about 6.70 centimeters per second.
(for Brown-throated three-toed sloth, Bradypus variegatus)
The three-toed sloth moves along the ground at an average speed of 6.70 centimeters per second. Long thought to be lengthy sleepers, a 2008 study concluded that sloths sleep an average of only 9.6 hours per day.
It's about ten times as fast as an Iceberg
The speed of an Iceberg is about 50 centimeters per second.
(a.k.a. Berg) (Newfoundland iceberg average)
Moved by ocean currents and wind, icebergs can drift at speeds of about 50 centimeters per second. The largest iceberg ever recorded was a found near Baffin Island, Nunavut and was estimated to be nine billion metric tons.
It's about five times as fast as Walking Pedestrians (in Manhattan)
The speed of Walking Pedestrians (in Manhattan) is about 130 centimeters per second.
(Manhattan; average speed; 8,978 person-sample)
A 2006 Study by the New York City Department of City Planning found that pedestrians in that city walk at an average rate of 130 centimeters per second. Pedestrians wearing headphones, the study went on to find, walk at a slightly faster 140 centimeters per second
It's about three-and-a-half times as fast as Michael Phelps
The speed of Michael Phelps is about 194.250 centimeters per second.
(at the Beijing Olympics, 2008; 200 m freestyle) (a.k.a. Michael Fred Phelps) (swimmer; 1985-)
Setting a world record, Michael Phelps swam the 200 m freestyle in 1:42.96 for an average speed of 194.250 centimeters per second. Phelps would go on to win nine gold medals individually in the 2008 Olympics - more than all but eight of the competing nations.
It's about two-and-a-half times as fast as a Crocodile
The speed of a Crocodile is about 270 centimeters per second.
(American Crocodile, Crocodylus acutus) (swimming speed)
An American crocodile can reach speeds in the water of up to 280 centimeters per second. On land, larger crocodiles can "gallop" when fleeing danger at speeds of up to 560 centimeters per second.
It's about as fast as a Bull
The speed of a Bull is about 670 centimeters per second.
(for animals involved in the Running of the Bulls, a.k.a. Encierro, San Fermin, Pamplona, Spain) (herd average speed)
The herd of the annual Encierro in Pamplona, Spain runs at an average speed of 670 centimeters per second. The Encierro is run annually from July 7th through July 14th and involves 42 bulls, 77 oxen, and an estimated 17,000 runners over the course of the event.
It's about nine-tenths as fast as Noah Ngeny
The speed of Noah Ngeny is about 757.80 centimeters per second.
(in Rieti, Italy; 1999) (sprinter; 1978-)
Setting a world record at the Rieti Grand Prix in 1999, Noah Ngeny ran 1,000 m in 2:11.96 for an average speed of 757.80 centimeters per second. According to some reports, Ngeny did not begin running competitively until just three years before setting the record.
It's about seven-tenths as fast as Flo-Jo
The speed of Flo-Jo is about 937.20 centimeters per second.
(at the Seoul Olympics, 1998) (a.k.a. Florence Griffith-Joyner, a.k.a. Florence Delorez Griffith) (swimmer; 1959-1998)
Setting a world record in 1988, Flo-Jo ran a 200 m in 0:21.34 for an average speed of 937.20 centimeters per second. Known as a 200 m runner, Joyner also set a record time in a 100 m race at in 1987.
It's about two-thirds as fast as Usain Bolt
The speed of Usain Bolt is about 1,030 centimeters per second.
(at the Beijing Olympics, 2008) (a.k.a. Usain St. Leo Bolt, OJ, C.D.) (sprinter; 1986-)
Setting a world record, Usain Bolt ran a 100 m in 0:09.69 for an average speed of 1,030 centimeters per second at the 2008 Olympics. Furthermore, Bolt's margin of record breaking — 0.03 s — is the largest margin of victory in the history of digital measurements.
It's about two-thirds as fast as Michael Johnson
The speed of Michael Johnson is about 1,035 centimeters per second.
(a.k.a. Michael Duane Johnson) (sprinter; 1967-) (at the Atlanta Olympics, 1996)
Setting a record that stood for 12 years, Michael Johnson ran a 200 m in 0:19.32 for an average speed of 1,035 centimeters per second at the 1996 Olympics. Johnson was nicknamed "the Man with the Golden shoes" in recognition of the custom footwear worn during these races — a pair of Nikes with a left size of 10.5 and a right size of 11.
It's about two-fifths as fast as Secretariat
The speed of Secretariat is about 1,680 centimeters per second.
(at Belmont Stakes, 1973)
Setting a record finish, Secretariat ran the Belmont Stakes — a 12 furlong race length — in 2:24, for an average speed of 1,680 centimeters per second in 1973. His margin of victory in the race, also a record-setter, was 31 lengths.
It's about one-third as fast as a Greyhound
The speed of a Greyhound is about 2,010 centimeters per second.
(a.k.a. English greyhound) (approximate maximum speed)
Greyhounds reach average race speeds of 2,010 centimeters per second. Despite their racing prowess, greyhounds are not considered energetic dogs — the typical greyhound race requires the dogs to run for less than 35 seconds.
It's about three-tenths as fast as a Gazelle
The speed of a Gazelle is about 2,000 centimeters per second.
(for Thomson's Gazelle, a.k.a. Eudorcas thomsoni, a.k.a. "Tommie", a.k.a. "Tommy")
A Thomson's gazelle can reach speeds of up to 2,000 centimeters per second. The gazelle's speed doesn't match that of its chief predator, the cheetah, but a gazelle's endurance usually ensures an escape in distances greater than 500 m (0.3 mi).
It's about three-tenths as fast as a Hare
The speed of a Hare is about 2,000 centimeters per second.
(for European Brown Hare, a.k.a. Brown Hare, a.k.a. Lepus europaeus, a.k.a. Brown Hare)
The European Hare can run at speeds of up to 2,000 centimeters per second. While speed is a factor in their escapes, hares evade their chief predators — wolves, foxes, and golden eagles — by fleeing in a zigzag pattern.
 
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