American Florence Griffith-Joyner holds the women's world record of 10.49 seconds.
speed = distance/time = 100m/10.49s = 9.533m/s
9.533m/s x 1km/1000m x 3600s/h = 34.32km/h
The fastest elevator in the world can hit nearly 38 miles per hour.
The fastest person on record ran 23 mph
38.56mph is the current record
that impossible to answer but just think very fast one of the fastest if not the fastest punchers ever
The fastest French train, Train à Grande Vitesse, goes as fast as 574.8 km/h (357.2 mph).
The fastest elevator in the world can hit nearly 38 miles per hour.
As far as my research they run as fast as 69-70mph. Some books say 71mph.70 miles per hour
221 mph
Some of the fastest times have been recorded at around 28 mph.
8 kilometres per hour (5.0 mph) but when feeding or attacking, the average shark can reach speeds upwards of 19 kilometres per hour (12 mph).
cheetah is the fastest it runs: 74 MPH
the fastest horse on record was the racehorse Secritariat who ran an estimated 55 miles an hour
2 mph
225 mph
The fastest person on record ran 23 mph
they run 25 mph hour they run 25 mph hour they run 25 mph hour they run 25 mph hour
The Red kangaroo, which is the largest and fastest of the kangaroos, can reach speeds of up to 70 km per hour, or 44 mph.