s(x) = x^(4) - (8 * x^(3)) + (18 * x^(2)) - (16 * x) + 160
A = Point(xAxis)
B = Point(xAxis)
a_1 = Segment(A, B)
Γ = Point(a_1)
M: (x(Γ), s'(x(Γ)))
v(x) = s'(x)
a(x) = v'(x)
v1(x) = abs(v(x))
K: (x(Γ), v1(x(Γ)))
γτ1 = Locus(K, Γ)