A pump provides water to a hose at a constant rate. When the hose is at a height of 2 m above level ground, the stream of water hits the ground a distance of 6 m from the end of the hose, as shown in the figure. If the end of the hose is moved to 4 m above the ground, about how far will the stream travel before hitting the ground? A.3 m B.6 m C.8.5 m D.12 m