[en] The non-linear saturation of whistler mode instability in the solar wind is considered here. The resulting heating and acceleration are calculated. It is shown that this instability heats predominantly the α-particles and the ratio of heating rates of α-particles to ions have been calculated. This instability is shown to be effective in accelerating α-particles than ions. However, this process cannot account for Vsub(α)/Vsub(i)>=1. (Auth.)