How to change rotation speed

How to change the rotation keyframes speed i got a object rotating but is too fast i want it more slowly and i want to put another object with fast speed rotation help plis

How to change the rotation keyframes speed i got a object rotating but is too fast i want it more slowly

In dopesheet or graph editor windows move the keyframes to the right to slow down rotation.

and i want to put another object with fast speed rotation help plis
give the second object its own rotation keyframes, independent of any others

:S sorry im newbie how to move the keyframes on dopesheet or grapg editor can you post an ss plisss :S