1. Under what circumstances can the van be moving but have a zero acceleration?2. Under what circumstances is the sign of the velocity the same as the sign of the acceleration?3. What general statement can you make about the motion of the van when the direction of the acceleration vector is opposite to the direction of the velocity vector?

3. Under what circumstances can the van be moving but have a zero acceleration? 4. Under what circumstances is the sign of the velocity the same as the sign of the acceleration? 5. What general statement can you make about the motion of the van when the direction of the acceleration vector is opposite to the direction of the velocity vector