A 5 foot person walks at 40 feet per minute on a level path toward a vertical wall. A light on the ground directly behind the person casts a shadow of the person on the wall. The light is loo feet from the wall. How fast is the person's shadow on the wail changing in Length (in feet per minute) when the person is 25 feet from the wall?O -31/9O -32O -8/9O -125/14O -125/28
