Allie says to Grace the heavier an object is the faster it falls. Grace tells Allie she is wrong. Grace says the longer an object falls the faster it falls. Ella says that there are more factors involved when objects fall. Who do you think is right and why?
Check out this videos to help answer the question.
https://www.youtube.com/watch?v=KDp1tiUsZw8 moon landing
https://www.youtube.com/watch?v=E43-CfukEgs Brian Cox
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