Animate

Stop Animation

A = Intersect(xAxis, yAxis)
B = Point(xAxis)
C = (-1.8015205336810305, -1.3881208197497414)
f = Line(A, C)
c = Circle(A, C)
D, E = Intersect(c, f)
α = Angle(B, A, E)
secangle: sec(α)
tanangle: tan(α)
gravity = 0.5 (slider from 0.1 to 2, step 0.1)
r = Distance(D, A)
d: y = (((-((gravity * secangle^(2))))) / ((2 * r^(2))) * x^(2)) + (x * tanangle)
F = (-6.5126884724195, -4.451891140548545)
G = (20.684477795870237, -4.594498004876655)
H = Point(d)
I: (x(H), y(H))
J: (x(H) + 0.5, y(H))
K = (9.756910464801821, 4.2348330960225775)
L = (10.310582569779402, 4.223485766842967)