A drone P P\,P flies in a straight line with constant velocity. Initially P P\,P is at the point A A\,A with position vector (i+j) m(\mathbf{i} + \mathbf{j}) \text{ m}(i+j) m. At time t=3t = 3t=3 seconds, P P\,P is at the point B B\,B with position vector (13i+10j) m(13\mathbf{i} + 10\mathbf{j}) \text{ m}(13i+10j) m.
Find the velocity of PPP.
When t=5t = 5t=5 P P\,P is at the point CCC. Find the distance ACACAC.
