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Equivalents in other units


How fast is 391 meters per hour?

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It's about 2,500,000 times as fast as Grass growing.
In other words, the speed of Grass growing is 0.00000037 times 391 meters per hour.
(for Kentucky Bluegrass, Poa pratensis) (a.k.a. Smooth Meadow grass, a.k.a. Common Meadow grass) (Summer months, ideal growing conditions)
It's about one-and-three-fifths times as fast as a Sloth.
In other words, the speed of a Sloth is 0.63 times 391 meters per hour.
(for Brown-throated three-toed sloth, Bradypus variegatus)
It's about one-fifth as fast as an Iceberg.
In other words, the speed of an Iceberg is 5 times 391 meters per hour.
(a.k.a. Berg) (Newfoundland iceberg average)
It's about one-tenth as fast as Walking Pedestrians (in Manhattan).
In other words, the speed of Walking Pedestrians (in Manhattan) is 12 times 391 meters per hour.
(Manhattan; average speed; 8,978 person-sample)
It's about one-twentieth as fast as Michael Phelps.
In other words, 391 meters per hour is 0.055913 times the speed of Michael Phelps, and the speed of Michael Phelps is 17.885 times that amount.
(at the Beijing Olympics, 2008; 200 m freestyle) (a.k.a. Michael Fred Phelps) (swimmer; 1985-)
It's about one-twenty-fifth as fast as a Crocodile.
In other words, the speed of a Crocodile is 25 times 391 meters per hour.
(American Crocodile, Crocodylus acutus) (swimming speed)
An American crocodile can reach speeds in the water of up to 10,000 meters per hour. On land, larger crocodiles can "gallop" when fleeing danger at speeds of up to 20,000 meters per hour.
It's about one-sixty-fifth as fast as a Bull.
In other words, the speed of a Bull is 63 times 391 meters per hour.
(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 24,000 meters per hour. 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.