Physics: Uniform Motion A man is walking at an average sEPEd of 4 miles per hour alongside...

Physics: Uniform Motion A man is walking at an average sEPEd of 4 miles per hour alongside a railroad track. A freight train, going in the same direction at an average sEPEd of 30 miles per hour, requires 5 seconds to pass the man. How long is the freight train? Give your answer in feet.