If two automobiles have the same velocity, do they have the same acceleration? why, or why not.

i guess that visual aids present persuasive examples to what you are presenting, some factors would be theme (does it fit with the color, information, what you are presenting), size (can you see it, is it a big enough span of data/information), and overall look of the visual aid.

hope this : )

kepler used the data from tycho blahe (his mentor) to construct the laws of planetary motion.