The cruising speed of a 747 airplane is approximately 9,944 inches per second. What is this speed to the nearest foot per second? 622 feet per second 829 feet per second 119,328 feet per second 159,104 feet per second
829 feet per second is your answer. You do this by doing 9,944in/s x ft./12in. Cancel out the in., and multiply to get 9,944ft in 12 seconds. Divide 9,944 by 12 to get around 828.6 ft., and then then round it up to get 829 ft. per second.
