A bead of mass m stays at point P(a, b) on a wire bent in the shape of a parabola $$y = 4Cx^2$$ and rotating with angular speed $$\omega$$ (see figure). The value of $$\omega$$ is (neglect friction):

A

$$2\sqrt{2gC}$$

B

$$\sqrt{2gC}$$

C

$$\sqrt{\frac{2gC}{ab}}$$

D

$$\frac{\sqrt{2g}}{C}$$