function unknownsDerivatives = Galileo1(tValue,unknowns)

s=unknowns(1);
v=unknowns(2);

g=9.81;

dsdt=v;
dvdt=g;

unknownsDerivatives(1)=dsdt;
unknownsDerivatives(2)=dvdt;

unknownsDerivatives=unknownsDerivatives';

end

