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How fast is 630.2 yards per second?

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It's about 15,000,000,000 times as fast as Grass growing.
In other words, the speed of Grass growing is 0.000000000071 times 630.2 yards 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 0.000000046 yards 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 8,500 times as fast as a Sloth.
In other words, the speed of a Sloth is 0.00012 times 630.2 yards per second.
(for Brown-throated three-toed sloth, Bradypus variegatus)
The three-toed sloth moves along the ground at an average speed of 0.073 yards 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 1,000 times as fast as an Iceberg.
In other words, the speed of an Iceberg is 0.001 times 630.2 yards per second.
(a.k.a. Berg) (Newfoundland iceberg average)
Moved by ocean currents and wind, icebergs can drift at speeds of about 0.6 yards 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 450 times as fast as Walking Pedestrians (in Manhattan).
In other words, the speed of Walking Pedestrians (in Manhattan) is 0.0023 times 630.2 yards 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 1.4 yards per second. Pedestrians wearing headphones, the study went on to find, walk at a slightly faster 1.5 yards per second
It's about 300 times as fast as Michael Phelps.
In other words, 630.2 yards per second is 296.66 times the speed of Michael Phelps, and the speed of Michael Phelps is 0.0033709 times that amount.
(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 2.1243 yards 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 200 times as fast as a Crocodile.
In other words, 630.2 yards per second is 210 times the speed of a Crocodile, and the speed of a Crocodile is 0.0048 times that amount.
(American Crocodile, Crocodylus acutus) (swimming speed)
An American crocodile can reach speeds in the water of up to 3 yards per second. On land, larger crocodiles can "gallop" when fleeing danger at speeds of up to 6.1 yards per second.
It's about 85 times as fast as a Bull.
In other words, the speed of a Bull is 0.012 times 630.2 yards 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 7.3 yards 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.