Find the velocity and position vectors of a particle with acceleration a(t)=⟨0,0,7⟩, and initial conditions v(0)=⟨5,3,−5⟩ and r(0)=⟨−1,−4,−1⟩.
v(t)=⟨..., ..., ...⟩

r(t)=⟨..., ..., ...⟩