The Following Table Shows the Velocity of a Car (In

Essay

The following table shows the velocity of a car (in mi/hr) during the first five seconds of a race. $\begin{array} { | l | c | c | c | c | c | c | } \hline t ( s ) & 0 & 1 & 2 & 3 & 4 & 5 \\\hline v ( \mathrm { mi } / \mathrm { h } ) & 0 & 20 & 32 & 46 & 54 & 62 \\\hline\end{array}$
Determine the average velocity of the car during this five-second interval.