In order to decrease the required centripetal acceleration for a car driving around a turn, the driver could

Release the pressure on the gas peddle

Explanation:

If you turn around to fast you cant make a tighter turn around but if its slow you can turn around tighter.

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 : )

568.98

explanation:

its math