A comparison between some curves and the brachistochrone curve.[br][list][br][*]RED: straight line[br][*]PURPLE: parabola[br][*]BLUE: circumference arc[br][*]CYAN: cycloid[br][*]GREEN: circumference arc[br][*]ORANGE: polinomial function, [math]y=x^n[/math][br][/list][br]Control the speed with parameter [math]V[/math]