A man walks at 5 km/h in the direction of a 20-km/h wind. If raindrops fall vertically a...

A man walks at 5 km/h in the direction of a 20-km/h wind. If raindrops fall vertically at 7 km/h in still air, determine the direction in which the drops appear to fall with respect to the man. Assume the horizontal speed of the raindrops is equal to that of the wind.