If a $0\mathrm{.}5-$m propeller is spinning at $2400$ RPM and producing a thrust of $22$ N at sea level, calculate the thrust coefficient.

Group of answer choices

$0\mathrm{.}000050$

$0\mathrm{.}73$

$0\mathrm{.}063$

$370$

$0\mathrm{.}18$