F (N) F. (N) 15 10 NONA x (m) 5 2 4 0 x (m) O 2 FIGURE EX11.14 FIGURE EX11.15 15. II A 500 g particle moving along the x-axis experiences the force shown in FIGURE EX11.15. The particle's velocity is 2.0 m/s at x = 0 m. What is its velocity at x = 1 m, 2 m, and 3 m