A bead of mass m stays at point P(a, b) on a wire bent in the shape of a parabola y = 4Cx2 and rotating with angular speed ω (see figure). The value of ω is (neglect friction)
(1) 2\(\sqrt{2gC}\)
(2) 2\(\sqrt{gC}\)
(3) \(\sqrt\frac{2g}{C}\)
(4) \(\sqrt\frac{2gC}{ab}\)