Sekazi is learning to ride a bike without training wheels. His father pushes him with a constant acceleration of 0.50 m/s2 for 6.0 s, and then Sekazi continues at 3.0 m/s for another 6.0 s before falling. What is Sekazi’s displacement? Solve this problem by constructing a velocity-time graph for Sekazi’s motion and computing the area underneath the graphed line.