$[$Q$6]$ A star named Nu$2$ Canis Majoris is about $64$ light years from the Earth in the Earth's rest frame. Suppose you travel towards it on a rocket traveling at a constant speed of $0\mathrm{.}75$ chow long will the trip take in your rest frame? Calculate to $2$ sig figs.

a$.129$ years.

b$.97$ years.

c$.64$ years.

d$.56$ years.

e$.$ None of the above.