You break the law- you pay for the crime- simple as that. Quit trying to get out of it or around it.
Ok, great......let's open this train of thought to include giving fines to people who fail to signal a turn because their turn signal bulb just went out. Quit trying to get out of it or around it.
Headlight goes out: Driving without lights or reckless driving. Quit trying to get out of it or around it.
If you're in a strange town and a stopsign is missing, give that stranger a ticket for running a stopsign. Quit trying to get out of it or around it, and then go home you fvcking foreigner.
And if it's a genuine emergency and someone's grandmother is bleeding to death in the woods, just forget about speeding her to the hospital, let the b1tch lay amongst the trees and die. Quit trying to get out of it or around it. The old b1tch deserved it anyway.
If I was trying to get out of a crime I knowingly or intentionally committed then it'd be a different story. Driving with a speedometer that isn't displaying the speed correctly amounts to the crime of simply being mislead by faulty equipment. To the best of my knowledge this speedometer problem started that very same day I was driving my car.
I've had occasions where I was in a hurry, intentionally sped, and received a ticket for it. Those occasions I just accepted the outcome and consequences, paid the fine and moved on.