Question 742946
An hour is 60 minutes so you can travel 60x as far in an hour as you can in a minute ... so the amount you can travel in a minute is 1/60th that you can travel in an hour.

hence speed per minute = speed per hour / 60 = 63/60 = 21/20 = 1.05 km/min

In 10 minutes the car will travel 10x this distance = 1.05 x 10 km = 10.5km