A car is travelling with a speed of 550 ft/sec. How fast it is

a-car-is-travelling-with-a-speed-of-550-ft-sec-how-fast-it-is

A car is travelling with a speed of 550 ft/sec. How fast it is going in miles per hour?

A. 375

B. 750

C. 900

D. 1800

The question was posed to me in a job interview.

My question is based upon Conversion of Units-I topic in division Introductory Concepts of Chemical Process Calculation

Correct answer is A. 375

For explanation: 1 mile = 5280 ft and 1 hour = 3600 sec.