A cyclotron with a uniform magnetic field \(B\) and maximum dee radius \(R\) is initially calibrated to accelerate protons of charge \(+e\) and mass \(m\). The cyclotron is then used to accelerate alpha particles, which have charge \(+2e\) and mass \(4m\). How do the required alternating electric field frequency \(f_\alpha\) and the maximum achievable kinetic energy \(K_{\alpha,\text{max}}\) for the alpha particles compare to the corresponding quantities \(f_p\) and \(K_{p,\text{max}}\) for the protons?