Physics, 01.01.2020 00:31, jazzclark79

You are out running and the first mile takes you 10 minutes. the second mile takes 20 minutes. this is an example of ?

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Physics, 22.06.2019 18:50, naiomireyes74p2aybs

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Physics, 22.06.2019 20:00, rosepotato789

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You are out running and the first mile takes you 10 minutes. the second mile takes 20 minutes. this...