Don't forget to steer and brake as applicable.
Going up a hill would make your acceleration decrease or cause it to be slow. Going down a hill would make acceleration increase causing you to go faster.
If there is snow on the hill a sled or toboggan can be used to ride down a hill.
he rides a specialized demo for downhill, and a sx frame, not sx-trail, for 4x/dual slalom.
Passive Transport
it depends on how fast you ride or if your gowing up a hill
Sam Hill
Potential energy is used on a daily basis to run hydro-electric dams, to ride a bike down a hill, or to sit down on the ground.
find a DH bike and ride down a DH track signal hill is a good place to start! (dunedin, NZ)
Could be valve clearance.
Well I would think that when you bike down a hill, you're going super fast and you might tip over on your bike and get a bruise or two. If you really want to ride down a hill, like really, really want to, you should wear all biking gear such as a helmet, elbow pads, knee and hand pads (you know, the whole deal).
Sled.
Turning potential energy into kinetic energy. As you ride down the hill the potential energy you stored in your mass on the way up is converted into kinetic energy. That's why you speed up as you go down a hill and also why it's harder to go uphill.