(1 point) Find the velocity, acceleration, and speed of a particle with position function r(t) - (3 cost, -8t, 3 sint) V(t a(t) = ã| |v(t)| =
Show transcribed image text(1 point) Find the velocity, acceleration, and speed of a particle with position function r(t) - (3 cost, -8t, 3 sint) V(t a(t) = ã| |v(t)| =