HOW LONG WILL IT TAKE A CAR BEING DRIVEN AT A SPEED OF 15 MILES PER HOUR TO TRAVEL 26,400 FEET? AN OBJECT MOVING AT A RATE 0F 15 MILES PER HOUR TRAVELS 22 FEET IN ONE SECOND.
26,400 feet is exactly 5 miles.
t = D/v = 5 miles/(15 miles/h) = 1/3 hour
= 20 minutes