Correction for the speed of Usain Bolt
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How fast is 20.10 meters per second?
It's about twice as fast as Usain Bolt
The speed of Usain Bolt is about 10.30 meters 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 10.30 meters 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.