A car is traveling 55 miles per hour, and 1 mile = 5,280 feet. Which of the following calculations would give the car’s speed in feet per second?
- A
- B
- C
- D
Show the answer
Correct answer: B
Divide the rate by the number of seconds in an hour. Since there are 60 minutes in an hour and 60 seconds in a minute,
60 × 60 = 3,600
(3,600 seconds in an hour)
miles per second 3,600 Multiply by the number of feet in a mile (5,280):
feet per second