Question

Find the Kinetic Energy (ft-lb) of an aircraft weighing 20,000 lbs at 5,000 ft true altitude and 200 KTS True Air Speed.
a. 1 x 10⁸ ft-lb
b. 1242236 ft-lb
c. 3. 55 x 10⁷ ft-lb
d. 5. 7 x 10⁷ ft-lb