A 41.2-kg boy, riding a 2.65-kgskateboard at a velocity of +5.27 m/s across a level sidewalk,jumps forward to leap over a wall. Just after leaving contact withthe board, the boy's velocity relative to the sidewalk is 5.52m/s, 8.64° abovethe horizontal. Ignore any friction between the skateboard and the sidewalk. What is the skateboard's A 41.2-kg boy, riding a 2.65-kg skateboard at a velocityof +5.27 m/s across a level sidewalk, jumps forward to leap over a wall. Just after leaving contact with theboard, the boy's velocity relative to the sidewalkis 5.52 m/s, 8.64° above the horizontal. Ignore anyfriction between the skateboard and the sidewalk. What is the skateboard's velocity relative to the sidewalk at this instant? Besure to include the correct algebraic sign with your answer.? (Besure to include the correct algebraic sign with youranswer.)