A 26-foot ladder is placed against a wall. If the top of the ladder is sliding down the wall at 2 feet per second, at what rate is the bottom of the ladder moving away from the wall when the bottom of the ladder is 10 feet away from the wall? . . . O A. 2.4 ft/sec O B. 5.2 ft/sec O C. 4.8 ft/sec O D. 9.6 ft/sec