a ladder 10 ft long rests against a vertical wall. if the bottom of the ladder slides away from the wall at a rate of 1.5 ft/s, how fast is the angle between the ladder and the ground changing when the bottom of the ladder is 6 ft from the wall? (that is, find the angle's rate of change when the bottom of the ladder is 6 ft from the wall.) -.1875 correct: your answer is correct. rad/s