1. A grayhound's maximum speed is 39.35 mph how long does it take to run a quarter mile?

2. A human's maximum speed is 27.89 mph how long does it take to run a quarter mile?
3. A giant tortoise's maximum speed is 0.17 mph how long does it take to run a quarter mile
4. A three toed sloth's maximum speed is 0.15 mph how long does it take to run a quarter mile?

1 answer

#1: naturally, (1/4)/39.35 hours

time = distance/speed