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I'm doing this problem; a jet aircraft bein launch from an aircraft carrier acceleration from the rest along a 94m track for 2.5sec?

The problem is my answer is different from book

I am using the equation V=V 0 + at

V=94m

T=2.5sec

V=0+94m(2.5sec)=235m/s

I know this answer is wrong I suppose to be looking for the acceleration of the aircraft assuming constant.

I even tried to work this problem with the equation

V^2=V^20+2a(x-x)

thank-you