Fiesta BT57 NPE Tailgating

Fiesta BT57 NPE repeatedly tailgating - at around 4 metres at 40mph by the Cottage (2 second rule is 1 metre pre 1mph so *should* be 40 metres space). Later in the clip the same driver is a metre behind at 30mph. If we needed to stop for any reason - a child or animal stepping in to the road, or a mechanical failure, he'd have no chance of avoiding a collision...