Multivariable CalculusMediumCurves & Motion ShareCurves & Motion · Medium problemA particle moves along r(t)=(3t2, t, 2t3)\mathbf r(t) = \left(3 t^{2},\ t,\ 2 t^{3}\right)r(t)=(3t2, t, 2t3). 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