$3\mathrm{.}7$ m$/$s$.$ What is the mans of this planet?

$3\mathrm{.}110*$ kg

$98$x$102$ kg

$4\mathrm{.}7$x$102$ kg

$6\mathrm{.}4$x$102$ kg

$5\mathrm{.}6$x$101$ kg

$$none of the above