A gyroscope in a satellite starts at rest and then accelerates in a way that can be described by the function ( t) =

A gyroscope in a satellite starts at rest and then accelerates in a way that can be described by the function $\alpha (\mathrm{t)}=\mathrm{bt}$² where $b=2\mathrm{.}0\frac{\mathrm{rad}}{\mathrm{sec4}}.$Through how many degrees does the gyroscope turn after $3\mathrm{.}0$ seconds?