Possibility of a point moving ahead/ behind/ together with another point.

Activity.

You can move the points 'P' and 'NCP' only when the animation is paused using the button on the top right of the applet. Change the position of the point 'P'. By moving the point 'NCP' to a convenient position on the magenta circle try to achieve the below goals. a) 'A' moving ahead of 'V'. b) 'V' moving ahead of 'A'. c) 'A' and 'V' moving together (i.e. in-line).