9. 2.6 Elliptical Comet 0 / 1 point 6 A comet moves in an elliptical orbit, so its position vector is: r = a cos (wt) 2 + bsin (wt)j. Enter an expression for the speed at a time - of the period after t = 0. For the angular frequency symbol type "omega". Preview will appear here... No answer Incorrect