Scooty Puff Jr work Part A $|$ Problem

Work is applied to your Scooty Puff Jr$.$ spacecraft to accelerate it from rest to some final speed v$.$ If instead it is accelerated to a final speed of $2\mathrm{.}4$ v $,$ how many more times work is required than in the original case?

$1\mathrm{.}20$ times

$1\mathrm{.}55$ times

$2\mathrm{.}40$ times

$5\mathrm{.}76$ times

$5\mathrm{.}80$ times