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How fast is 955 mach?

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It's about 8,000,000,000,000 times as fast as Grass growing.
In other words, 955 mach is 7,900,000,000,000 times the speed of Grass growing, and the speed of Grass growing is 0.00000000000013 times that amount.
(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 0.00000000013 mach 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 4,500,000 times as fast as a Sloth.
In other words, the speed of a Sloth is 0.00000021 times 955 mach.
(for Brown-throated three-toed sloth, Bradypus variegatus)
The three-toed sloth moves along the ground at an average speed of 0.0002 mach. 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 600,000 times as fast as an Iceberg.
In other words, the speed of an Iceberg is 0.000002 times 955 mach.
(a.k.a. Berg) (Newfoundland iceberg average)
Moved by ocean currents and wind, icebergs can drift at speeds of about 0.002 mach. The largest iceberg ever recorded was a found near Baffin Island, Nunavut and was estimated to be nine billion metric tons.
It's about 250,000 times as fast as Walking Pedestrians (in Manhattan).
In other words, the speed of Walking Pedestrians (in Manhattan) is 0.0000042 times 955 mach.
(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 0.0039 mach. Pedestrians wearing headphones, the study went on to find, walk at a slightly faster 0.0043 mach
It's about 150,000 times as fast as Michael Phelps.
In other words, 955 mach is 163,000 times the speed of Michael Phelps, and the speed of Michael Phelps is 0.000006135 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 0.0058588 mach. 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 100,000 times as fast as a Crocodile.
In other words, 955 mach is 120,000 times the speed of a Crocodile, and the speed of a Crocodile is 0.0000083 times that amount.
(American Crocodile, Crocodylus acutus) (swimming speed)
An American crocodile can reach speeds in the water of up to 0.0084 mach. On land, larger crocodiles can "gallop" when fleeing danger at speeds of up to 0.017 mach.
It's about 45,000 times as fast as a Bull.
In other words, the speed of a Bull is 0.000021 times 955 mach.
(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 0.02 mach. 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.