If a certain motor develops $10$ ft$-$Ib torque with an operating voltage of $110$ V and is capable of carrying the resulting current at a new voltage of $220$ V$,$ what is the new value of torque, in foot$-$pounds?A$.2\mathrm{.}5.20\mathrm{.}0$C$.5\mathrm{.}0$D$.40\mathrm{.}0$