From the data tabulated calculate: (i) the velocity of the ankle at time t = 0.20 s (ii) the acceleration of the ankle at time t = 0.20 s Table 4.1 Filtered Marker Kinematics Frame Hip No. Time x Knee 1+1 0.22 -6.7 +2 0.24 -4.2 Ankle X Heel y y x y X y X y (s) (cm) (cm) (cm) (cm) (cm) (cm) (cm) (cm) (cm) 1-2 0.16 -13.2 89 i-1 0.18 -11.2 89.4 i 0.20 -9 89.8 55 Ball 3.5 -7.2 53.3 -10.1 11.5 -16.7 3.5 2.7 2.7 9.9 5.3 -6.7 53.3 -10.1 11.5 -16.8 3.5 2.6 2.5 9.9 5.2 -6.3 53.3 -10.1 11.5 -16.8 2.7 2.5 10 5 90 -5.8 53.3 -10 11.5 -16.7 2.7 2.5 10.1 4.8 90 -5.1 53.3 -9.8 11.5 2.7 10.2 4.6 3.5 -16.6 3.6 X y (cm) (cm) (cm) Toe 55 2.5