T 0 2 4 6 8

A(t) 2 3 4 3 2

The table for the acceleration of a particle from 0 to 8 seconds is given in the table aove. if the velocity at t=0 is 4 feet per second, the approximation value of the velocity, in feet per second, at t=8 seconds using Riemann Sum with four divisions of equal length is?