D B B A It is desired that the shown hoisting mechanism be operated such that the load D is lifted from rest at a constant acceleration of 7 ft/s/s. Drum C, which rotates around a fixed point, has a radius of rc = 3.4 ft. Determine the angular velocity of drum C after 4.7 seconds. Please enter your answer to one decimal point and include the direction (+ or - using the right hand rule) as well as the units.