Question 431461
If you travel @ 7 mph, then that's---

5,280ft.X 7 mph= 36960 ft./hr.
12 ft./36960 ft./hr.= .003246753 hrs

36960 ft./hr. = 10.2667 ft./sec.
12 ft.= 12/10.2667 sec.
""""=1.6883 secs.