I don't know about the world. But my son Seth plays Baseball and the fastest kid in his league is Nathan Payne he can fly.
depends on how much engergy they have
About 11 feet per second.
About 2.3 feet per second.
Mach 1 per second is 230,281,663 feet per second.
240 mph = 352 feet per second.
35 mph = 51.3 feet per second.
430 knots = 725.76 feet per second
100 feet per second.
146.6 feet per second.
About 4.55 feet per second.
About 41 feet per second.
5.583 feet per second.
39.6 feet per second.
77.73 feet per second.
80.6666667 feet per second
It is about 36.6 feet per second.
44 feet per second.
About 2.3 feet per second.
85.0666667 feet per second