1. They zoomed down to Folkestone on their bikes.
2. I suppose they are playing in some updrafts, or they like zooming down the mountainside.
3. The first season ends like this: We zoom down, into a lonely room. There sits a guy who has lost an ability he's always had: can easily find a pithy way to end a comic piece of writing.
4. Don't copy and paste, zoom down to pixel level to learn from the best.
5. You can't just hold the mouse pointer in the bottom-left of the screen, say, because a ball could zoom down there at any moment.