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black
100m in 11.57 seconds
the answer is 15 km/h
Cheetah, cheetah is the fastest mammal in the word with a top speed of on avg, 75mph.
Usain Bolt holds the world record for fastest 100m time.
Fast
The fastest recorded human speed is 27.8 mph, achieved by Usain Bolt during his 100m world record run in 2009.
zuko
29.45
At 10.64 seconds, Carmeleta Jeter is the second-fastest woman in history in the 100m dash.
Yes, 100m in 9.58, currently the fastest 100m runner in the world.
My Nan