- Prior driving record is not relevant to whether you were speeding or not.
- You not being used to the vehicle is not relevant. If anything, driving at that speed in a vehicle that you are not used to might be considered as lack of prudence on your part, and the presence of your kids in the car only adds to perceived lack of prudence.
- A size difference or two in tire size might account for 5 kmph or so difference in indicated vs actual speed. Now, how do you explain the other 30 kmph over the limit?
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