1500 mph is a measure of speed and whereas a second is a measure of time. The two measure different things and so cannot be converted from one to the other. There are no seconds in 1500 mph.
Chat with our AI personalities
At 58 miles per hour it would take 17.63 seconds to travel 1,500 feet.
25
(1 mile / 75 seconds) x (3,600 seconds / hour) = 48 miles per hour
About 11.083 seconds.
400 meters in 43.18 seconds equates to an average speed of 20.72 miles per hour.