[-/0.3 Points] DETAILS MY NOTES ASK YOUR TEACHER The base of a 13-ft ladder leaning against a wall begins to slide away from the wall. At the instant of time when the base is 5 it from the wall, the base is moving at the rate of 6 ft/sec. How fast is the top of the ladder sliding down the wall at that instant of time? (Round your answer to two 02 decimal places.) ---Select