Speed (1994), the lack of Speed 3, plus director Dave Green on the Coyote Vs Acme saga

1994's Speed may now be regarded as an action classic, but the original idea was a bus that didn't go above 20mph, in a film called Minimum Speed. Sat for a late summer release in 1994, things changed after a really successful test screening - and Keanu Reeves' haircut! - but it'd gone over a lot of hurdles to get to that point. Plus: where's Speed 3?! In the second half of this episode, director…