Barbara Tversky (Minds in Motion) discusses the cognitive power of cartoons to explain abstract concepts. In these three images, I have used cartoons to sequence events. There is a direct correspondence between the cartoon and the graph(s) below it.
These cartoon/graph pairings allow the reader to jump up and down the ladder of abstraction (see here).
Reading for Learning 
Love it. These could be used to get students to sketch the graphs or to write a story explaining the motion from the graph itself.
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