10 secounds
As both the World Land Speed Record and the World Water Speed Record are under constant challenge you question cannot be given a simple answer.
The average speed of the world record in the 100m dash is around 37.58 km/h (23.35 mph).
the record for this game the speed stacks is 10.63 seconds by sivan nicha
73 mph
10mph
the highest speed rate was 11 mph, but that was a world record
It's Thrust SSC, the holder of the world land speed record of 763 mph
The French TGV.
500 km/h world record by Jonathan Hawkins July 18/2018
62 mph
writer Barbara Blackburn
It was Henry Ford.