What happens next?

They are dressed in biking gear with protective helmets and clothing. They are going on hilly slopes and uneven terrain on their motorbikes. they

Choose your answer from:
* use an intertube and continue riding through hilly, wooded areas.;
* are going down the hill through tall hilly hills.;
* go through extremely steep and dangerous dirt roads at high speed.;
* continue wheeling and adjusting with the use of their paddles and the pedals, making progress with speed.;
go through extremely steep and dangerous dirt roads at high speed.