I really doubt you'd be able to tell.
No quite right, that was more of an estimation than me cycling with a speed camera strapped to my back.
or do you mean not being able to tell between a car doing 30mph and a car doing 35-37mph?
@edscoble started
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No quite right, that was more of an estimation than me cycling with a speed camera strapped to my back.
or do you mean not being able to tell between a car doing 30mph and a car doing 35-37mph?