6. A skier has an initial speed of 3.50 m/s at the top of an icy hill that is 39.0 m long and 55.0 from the horizontal. At the bottom of the hill, the ground flattens out, then ends in a cliff 12.0m tall. The skier goes off the edge of the cliff without slowing down. (a) What is the speed of the skier at the bottom of the hill? (3) (b) What is the velocity of the skier along the flattened ground, just as they go off the cliff? (2) (c) How long does the skier spend in the air? (3) (d) How far away from the base of the cliff do they land? (2)