I'm not exactly sure, but since I know that Usain Bolt ran a top speed of 27.9 mph in his 100m world record of 9.58 s, I would guess that Asafa Powel ran maybe 25-26 mph when he ran 9.72 s.
30 mph set by asafa Powell
23 mph
Asafa Powell
Jamaican sprinter Asafa Powell is 6'2.
Asafa Powell was born on November 23, 1982.
The fastest 60 m by Asafa Powell was 6.56 seconds.
Jamaican sprinter Asafa Powell was born on November 23, 1982.
Asafa Powell was born, raised and still resides in the country of Jamaica.
Jamaican sprinter Asafa Powell is 35 years old (birthdate: November 23, 1982).
Powell
It's very unlikely; Asafa Powell - the world record holder for 100m was recorded as going at nearly 30mph very briefly (for 1 metre) during a sprint.
about 25 million