Question 243044
1 mile = 5280 feet

distance/time = speed

We want to know a time. So we need distance/speed = time.

Remember that all the unit measurements should be same type. So to convert feet into miles we divide by 5280.

200/5280 = 0.0378 miles.

(200/5280)/40 = 0.00094697 hours.

To convert to seconds we times by 3600 to give 3.4 seconds.