Representing Motion on Speed-Time Graphs – Comparing motions of multiple objects

Imagine, for a moment, that four aliens (Kinet, Modulus, Terek and Stas) visiting earth were involved in creating various motions.

Image of four aliens.
Aliens Kinet, Modulus, Terek, and Stas

These motions are represented in a simulation. Watch the simulation movie below. Pay attention to the speed arrows for each of the four aliens.

Video representing Motion on Speed-Time Graphs – Comparing motions of multiple objects

Open the video in YouTube (new tab)