You guys have it easy... I went on holiday in Mozambique last year and the cops pulled me over(I was doing about a gps 115kph in a 120kph zone) and told me I was doing 145kph, even showed me the radar reading. I knew something was funky. They then started hinting that they wanted something or i will be spending a night in jail(the one place on earth you REALLY don't want to go to jail, trust me) So I just played dumb and acted like I had all the time in the world. So I the let me go.
What they do is they pull over all foreign cars and pull the same trick, but time is money, so if you play it slow, you get away free.
But If your in Angola, I recommend you take extra bribe cash, coz they WILL lock you up for NO reason at all and the next day just say sorry it was a mistake..
Gotta love africa
Regards
Jacques