There is nothing much to know about the rotation of our earth ..... but i'll tell you:-
1- the rotation of earth around it's imaginary axis is called rotation of earth
2-the earth rotates from east to west
3- it takes a day for earth to complete one rotation.............. but not exactly 24 hours.- it takes 23 hours ,56 mins and 4.2 seconds
4-the earth's rotation velocity at the equator is 1674.4 kmph . this means that by just standing at the euqator u can travel upto 1674.4 km in circle.