Simple Harmonic Motion as displayed through the motion of a piston

Before tinkering with the Geogebra features, study the image and speculate on what each of the sliders represents.[br][br]Adjust each slider to see if you speculated correctly.[br][br]Click the Start button and envision what the graph would look like for the position of point P as a function of time.[br][br]Click on the "graph" toggle and compare to what you expected.