Author: Batmath

t = 5 (slider from 0 to 5, step 0.1)
C1 = If(t ≥ 0 ∧ t < 1, (t, 0))
C2 = If(t ≥ 1 ∧ t < 2, (t, 0))
C3 = If(t ≥ 2 ∧ t < 3, (t, 0))
C4 = If(t ≥ 3 ∧ t < 4, (t, 0))
C5 = If(t ≥ 4 ∧ t ≤ 5, (t, 0))
c1 = Circle(C1, t)
c2 = Circle(C2, t)
c3 = Circle(C3, t)
c4 = Circle(C4, t)
c5 = Circle(C5, t)