Question

An airplane flies at 440 miles per hour. how fast is it flying per second

Answer 1

645.333

Explanation:

s = (440 miles / hour) * (1/3600 hour / sec) * (5280 ft / mile)

s = 645.333 ft/sec

Answer 2

Since 1 hour is 3600 seconds, and one mile is 5280 feet,

440/1 times 5280/3600

=23232/36

=645.3 repeating.

Rounding to the nearest 100ths: 645.33 feet/s