At a pace of 10m/sec it would take him 50 seconds.
500metres is 0.31 mile.
The cheetah can run up to 70 miles an hour, but only in short bursts covering distances up to 500metres. They can sustain the speed for only short durations, typically around a minute. If they continue to run at top speed for over that time, they will die of exhaustion.
for as long as you take care of it.
as long as it will take for your mom to run
It would take ~6.67minutes to run 1km at 9kmh.
It depends on how fast you run
It depends on how fast you can run and for how long you can sustain that speed.
It is impossible to run that fast, but if it were, it would take 2 hours.