Multivariable CalculusMediumCurves & Motion ShareCurves & Motion · Medium problemA particle moves along r(t)=(t2, 3t, t3)\mathbf r(t) = \left(t^{2},\ 3 t,\ t^{3}\right)r(t)=(t2, 3t, t3). Find the SQUARE of its speed at t=3t = 3t=3.Check Show answer Walk through it step by step Practice more like this Review this concept