Find the velocity and position vectors of a particle with acceleration $\mathbf a(t) = \langle 0,0,3 \rangle$, and initial conditions $\mathbf v(0) = \langle 1, -3, 3 \rangle$ and $\mathbf r(0) = \langle 5, 0, -3 \rangle$.
$\mathbf v(t) = \langle$, ,$\rangle$ $\mathbf r(t) = \langle$, ,$\rangle$