Question

How fast can a human run?

Answer 1

Humans could perhaps run as fast 40 mph, a new study suggests. Such a feat would leave in the dust the world's fastest runner, Usain Bolt, who has clocked nearly 28 mph in the 100-meter sprint. The new findings come after researchers took a new look at the factors that limit human speed

Step-by-step explanation:

Answer 2

The fastest a human has run is 28 mph. Usain Bolt ran 28 mph in a 100-meter sprint.