$1)$ If you run a complete loop around an outdoor track $(400$ m$)$ in $100$ s$,$ your average velocity is$1)$J$0$ mm$),=3\mathrm{.}76$A$)4\mathrm{.}00$ km$/$s$.$B$)4\mathrm{.}0$ m$/$s$.$C$)0\mathrm{.}25$ m$/$s$.$D$)40,000$ m$/$s$.$E$)$ zero.