Question

Question #1a5da

Answer 1

211200 feet per hour.

Explanation:

First, we should at least know that a mile has 5280 feet in a mile.

Second, simply multiply 40 and 5280 to get `40*5280=211200`, therefore 211200 feet per hour.

(40 is the miles per hour and 5280 is the amount of feet in a mile).