Answer
$B). v_{avg}=2.57\frac{m}{s}$ in the x-direction.
Work Step by Step
We can find the average velocity as
$v_{avg}=v_{\circ}cos\theta$
We plug in the known values to obtain:
$v_{avg}=9.92 cos75.0^{\circ}$
$v_{avg}=2.57\frac{m}{s}$ in the x-direction.
