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•Speed=Dx/Dt=(X-x0)/(T-t0)=>X-x0=V(T-t0)=>    X=x0+v(T-t0)->Moving rule.

•Acceleration=(V-v0)/(T-t0)=> A=Dv/Dt

•In international system(S.I.) Y is calculated in metres,speed in m/s and acceleration in m/s*s;
•G=9,8

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