12. The following graph represents Adam's motion on his bike as he is moving forward along a mountainbike trail. Velocity vs. time 2. . . . . .8. J. . . . . .. 6.0 Velocity (m/s) . . .. .2. . . .. ... .. .. .. .... :..:. 4.0 .2..&. .. -. .. 23 . . .. .. . . . . ..5. .. ..a. . . .. . .. .. 2.0 .. . .. ... .. 2.0 4.0 6.0 Time (s) a. Draw a trend line that best represents the data and motion of Adam. (1) b. Determine Adam's initial velocity. (1) Answer - c. Use the graph to calculate Adam's displacement for the period of 4 to 6 seconds. (3)