If a man walks at the rate of 2 feet per second, how many minutes will it take him to walk 4320 feet?

Ok so if a man walks 2 ft per second you would want to find out how many seconds it takes to walk 1 foot so it takes. 5 seconds to walk one foot so then you multiply 4320X. 5 which then equals 2169 seconds then divide that by 60 which equals 36min.