A Point Is Moving Along the Curve $y^{2}=3 x^{2}-12 x$ So That Its

Short Answer

A point is moving along the curve $y^{2}=3 x^{2}-12 x$ so that its $y$ -value increases at a constant rate of 3 units/s. How fast is the $x$ -value changing when the $x$ -value of the point increases to 6 ?