s(t)

g(x) = (5 * x^(2))
K = 1 (slider from -5 to 5)
P = Point(g)
Q = Point(g)
vPQg: (y(P) - y(Q)) / (x(P) - x(Q))
vPGgkm: (vPQg * 3.6)
f = Segment(P, Q)
R: (x(Q) | y(P))
Zoo = 1 (slider from -5 to 5)
Text1: "m(" + (x(P)) + "," + (x(Q)) + ") = " + vPQg + ""
i = Vector(P, R)
h = Vector(R, Q)