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Given d = cbwhere c is a constant

After speed increased by 200%

d1 = cb12

b1 = 3b

d1 = c(3b)2 = c9b2 = 9cb2  = 9d2

% increase in d1 = ((9d – d) / d )  x 100% = 800%

 

 

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Hope it’s clear enough 🙂

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