Calculus

A steady wind blows a kite due west. The kite's height above ground from horizontal position x = 0 to x = 60 ft is given by y = 150 − 1/40(x − 50)^2.
Find the distance traveled by the kite. (Round your answer to one decimal place.)

THe answer is supposed to be 94.2 ft but I cannot get to that.
Also I am not really familiar with the sinh and cosh functions so please be really specific.

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  1. Not enough info here. Is the kite supposed to have flown from some point to another? Fallen to the ground? Reached steady state at some height? what?

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