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it goes at the average speed of 80 mph
A rollercoaster is pulled up the first, highest hill, then it coasts all the way back to the start. A rollercoaster is heavy because of the weight of all the people, this mass plus momentum keeps it going over the successive smaller hills.
Love Rollercoaster was created in 1996.
Emotional Rollercoaster was created in 2007.
Rollercoaster World happened in 2004.
For the average rollercoaster, $15 million (US) and they are becoming more expensive.
Life Is a Rollercoaster was created on 2000-07-10.
Rollercoaster World was created on 2002-08-02.
Rollercoaster - song - was created on 1998-09-21.
Road Runner Rollercoaster was created in 2000.
Rollercoaster - soundtrack - was created on 1977-04-20.
A rollercoaster is a train kinda thing on a track that goes upside down :L