Give one minute to feel the effect of rotation of earth.

Hello ,
this is an practical example of the effect of rotation of earth.must try.
Ready for feel...
follow my instruction:-
1.stand near the wall.
2.take one hand distance from the wall.(just touch the wall by tip of your finger)
3.maintain the same position.
4.stand on position for 1 minutes.
5.now try to touch the wall.
6.you will find that distance from you and wall increases as before.

I know it is only due to rotation of earth.
but i donot know how it effects?
if someone know please explain it.