Spoiler: He’s really, really, fast.
Usain Bolt is fast, but he is actually slower than most other sprinters at the start.
In the 2016 Rio Olympic 100 meter final on Sunday his reaction time was 0.155, making it the second slowest in a field of eight.
Michael Kappeler / AFP / G...
15 Mind-Blowing Facts You Might Not Know About Usain Bolt