An electron and a proton are detected in a cosmic ray experiment, the first with kinetic energy 10 \(\text {keV}\), and the second with 100 \(\text {keV}\). Which is faster, the electron or the proton ? Obtain the ratio of their speeds. (electron mass = \(9.11\times 10^{-31}\) kg, proton mass = \(1.67\times 10^{-27}\) kg, 1 \(\text {eV}\) = \(1.60\times 10^{-19}\) J)