The marble travels at 16,000 mph and explodes on impact.
He was the first person to travel at over 200 mph (320 km/h) in a land vehicle.
It was the first car to travel at over 200 mph.
However, going up very steep hills the bike may only travel at 0.5 mph.
US road signs told us to travel at 15 mph.
A race car traveling at 100 mph will require only 1/4 of a second to travel the same distance.
As there was nothing more he could do, the driver jumped out onto the platform with the train still travelling at around 20 mph.
A rocket travelling at 1,000 mph was another matter.
The accident took place on a bend with the train travelling at 115 mph.
At the equator, you'd have to travel at around 1050 mph.