Question

The rocket that carried the Curiosity Rover to Mars traveled at a speed of 21,000 miles per hour. What is this speed to the nearest mile per second?

Answer 1

6 miles per second

Answer 2

5.83 miles per second or 6 miles rounded

Explanation:

There are 60 minutes per hour and 60 seconds per minute

60 x 60 = 3600 seconds her hour

21000/3600 = 5.83 miles per second or 6 miles rounded