A particle starts from rest and accelerates as shown in the figure below. Assume that values from the graph are accurate to 3 significant figures. a (m/s²) 2 1 0 5 10 15 t(s) 20 (a) Determine the particle's speed at t = 10.0 s and at t = 20.0 s. t = 10.0 s 4.0 t = 20.0 s 4.0✓ m/s m/s (b) Determine the distance traveled in the first 20.0 s. 4.0 m