What are non-examples of speed?

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

Does anyone have the answers to online physics course plato course physics, semester a v3.0

14. a body is projected with velocity vi from a.at the same time another body is projectedvertically upwards from point b withvelocity v2 lies vertically below the highestpoint. both the bodies collide thenv2÷v1is