Respuesta :

1 miles = 5280 ft....so 6 miles = (6 * 5280) = 31680 ft
60 seconds in a minute.....60 minutes in an hr....(60 * 60) = 3600 seconds in an hr

31680 / 3600 = 8.8 ft per second <==

Answer: the correct answer would be 8.8 ft/s