Question $2(1$ point$)$

A planet being orbited by a satellite collapses to half its original radius while maintaining the same mass. The period of orbit will increase by a factor of

$0\mathrm{.}35$

$0\mathrm{.}50$

$1\mathrm{.}0$

$2\mathrm{.}0$

$2\mathrm{.}8$