Question 5 (5 points) A reciprocating engine aircraft is flying at a steady-state velocity of V = 125 mph and has a drag force of D = 576 ft-lb. Assuming typical propeller efficiency, determine the Brake Horsepower. BHP=192 hp BHP = 240 hp BHP = 277 hp BHP = 164 hp Question 6 (5 points) In terms of weight, what is the best fuel-to-air ratio for economy? 1:11.5 (0.087) 1:8 (0.125) 1:13.5 (0.074) 1:15 (0.067)