Suppose a 170-Ft Ladder Is Leaning Against a Wall

Multiple Choice

Suppose a 170-ft ladder is leaning against a wall. If the bottom is pulled away from the wall at a rate of 1 ft/sec, at what rate is the top of the ladder sliding down the wall when the bottom is 26 ft from the wall? ​

A) The top of the ladder is sliding down the wall at the rate of ft/sec.
B) The top of the ladder is sliding down the wall at the rate of ft/sec.
C) The top of the ladder is sliding down the wall at the rate of ft/sec.
D) The top of the ladder is sliding down the wall at the rate of ft/sec.
E) The top of the ladder is sliding down the wall at the rate of ft/sec.