Pro tip, I've gotten out of more than one speeding ticket by doing this. Trick is to make it look like an internal struggle.
"Do you know why I pulled you over?"
"I think I was going a little fast."
"Any reason why?"
"I was just-- No, officer. I'm sorry, I made a bad decision."
"Do you know why I pulled you over?" "I think I was going a little fast." "Any reason why?" "I was just-- No, officer. I'm sorry, I made a bad decision."