7. [-/1.25 Points] DETAILS SCALCET9 2.7.011. A cliff diver plunges from a height of 49 ft above the water surface, The distance the diver falls in t seconds is given by the function d(t) = 162 ft. (a) After how many seconds will the diver hit the water? (b) With what velocity (in ft/s) does the diver hit the water? ft/s Need Help? Read It