Bildwechsel

a = true
A = (0.5, 6.6000000000000005)
B = (3.12, 0.74)
C = (9.02, 2.2800000000000002)
c = Circle(A, B, C)
D = (4.82, 6.82)
E = (6.140000000000001, 6.84)
b = Line(D, xAxis)
F, G = Intersect(c, b)
d = Distance(F, G)
M = Center(c)
Δx: x(E) - x(D)
Δt = 30
u: 3.141592653589793 * d
r = Radius(c)
T: u * Δt / (Δx * 24.0)