Average velocity is found by the following formula:
[tex]v_{average} = \frac{v_f+v_i}{2} [/tex]
[tex]v_i = 13 \\ v_f = 30 \\ v_{average} = \frac{30+13}{2} = \frac{43}{2} = 21.5 \frac{m}{s} [/tex]
The Correct answer to this question for Penn Foster Students is: 21.5 m/s
