Originally Posted by Netstruggler
It seems rather sloppy text even in french. Surely it should say velocity or speed, since I don't see how it can be deduced whether or not the aircraft was accelerating at the time of impact
It has been pointed out earlier that engineers using this phrase in this way means 'deceleration' i.e. force (=ma)
due to impact at high speed.
It does not mean the acceleration was 'accelerating'
