It can dig holes up to 5.5 metres deep and 1.5 metres wide. Produced by Jasper Pickering. Special thanks to Leon Siciliano. More from Tech The trenching machine is used to lay down water pipes and ...

It tells us the relationship between the quantity, speed, distance and time. Presenter 1: Runner 1's speed is 5 metres per second. We know this because she ran 25 metres in five seconds.