Kim was at the top of a 15 foot ladder when the ladder began to slide down the wall. The angle that the base of the ladder makes with the ground is decreasing at a rate of 0.25 radians per minute. At the moment when that angle is, how fast is the top of the ladder sliding toward the ground?1.875 ft/min10.607 ft/min5.303 ft/min2.652 ft/min