Question 3 (25 points) - Use the following data and methods to determine velocity and acceleration when t = 4 s. First-derivative formula to find velocity using: o Forward difference with the order of 2 O Backward difference with the order of 2 o Central difference . Second-derivative formula to find acceleration using: o Central difference with the order of 2 Time (s) 0 1 2 3 4 5 6 7 8 Position (m) 0 0.8 1.9 3.5 5.2 6.4 7.4 8.1 8.5