a body travels a distance of 2m in 2s and 2.2m in 4s what will be the velocity of the ball at the end of the 7th second from the start please answer in detail
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https://www.meritnation.com/ask-answer/question/1-a-body-travels-2-m-in-the-first-2s-and-2-2m-in-the-next-4/motion-in-a-straight-line/5201851
https://www.meritnation.com/ask-answer/question/1-a-body-travels-2-m-in-the-first-2s-and-2-2m-in-the-next-4/motion-in-a-straight-line/5201851