I am assuming we are talking about the "to be or not to be" speech. In this speech he basically contemplates suicide. This is a good point in the play, because everything accumulated, and he was torn. He was torn because he doesn't want to keep on living when he knows about his uncle killing his dad and marrying his mom, which made Hamlet pretty depressed, but he
doesn't know what death will bring and that's scary as well.
Answer:
1) slow down your pace.
2) slow down!
3) please slow down.
4) please slow down your pace.
Explanation:
There are quite a few ways to make this an imperative sentence.
By the way, you don't have to add "please" at the beginning, it just softens the sentence a little (it sounds less commanding)
The sentence is using the word like so i think simile