Teaching Your Kids Physics on a Roller Coaster

There are people who are passionate about roller coasters, who travel the world to ride each and every one they can find, rating them and even breaking world records on them.  I am not one of those people.  I do, however, enjoy a good roller coaster.  My older son may well be on his way to becoming one of the former, passionate coasterphiles, however, and I often get to join him as he tries new rides out. 

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