A speedboat moves on a lake with initial velocity vector v1,x = 8.21 m/s and v1,y = -2.95 m/s, then accelerates for 6.89 seconds at an average acceleration of aav,x = -0.105 m/s2 and aav,y = 0.107 m/s2. What are the components of the speedboat\'s final velocity, v2,x and v2,y?
Find the speedboat's final speed.