The fastest measured speed of a ball in the game Jai-Alai is 302 kilimeters/hour. In men's tennis, the fastest recorded serve was 67.9 meters/second. Which is faster?
302 km l 1000 m l 1h l 1 min
------l---------l-------l---------
1h l 1 km l 60min l 60 sec
i don't have a calculator, but you would multiply 302 by 1000, then divide by 60, then again divide by 60, that will convert 302 km.hour to meters/sec and you can just compare them
it would make more sence of you got a calculator