You may select ONE or several of the variables to answer this question.
How can an observer in a particular reference frame describe the motion of an object in one dimension using such quantities as position, displacement, distance, velocity, speed and acceleration?
To clarify: You may explain one concept: acceleration or more than one: speed and velocity.
IDEAS TO PRESENT CONTENT
Explain the concept clearly, use your own words to tell the story, give details about the equations and/or graphs used.
Some ideas about how to present the content: