There is a roller coaster up there as well, but experienced riders consider it too slow and uneventful despite the altitude.
( ( ( ( ( There ( ( is ( a ( roller coaster ) ) ) ( up ( there ( as well ) ) ) ) ) , ) but ) ( ( experienced riders ) ( ( consider ( it ( too ( ( slow and ) uneventful ) ) ) ) ( despite ( the altitude ) ) ) ) ) . )
(ROOT (S (S (NP (EX There)) (VP (VBZ is) (NP (DT a) (NN roller) (NN coaster)) (ADVP (RB up) (RB there) (RB as) (RB well)))) (, ,) (CC but) (S (NP (JJ experienced) (NNS riders)) (VP (VBP consider) (S (NP (PRP it)) (ADJP (RB too) (JJ slow) (CC and) (JJ uneventful))) (PP (IN despite) (NP (DT the) (NN altitude))))) (. .)))
The rollercoaster is too slow for most people. 
( ( The rollercoaster ) ( ( is ( too ( slow ( for ( most people ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN rollercoaster)) (VP (VBZ is) (ADJP (RB too) (JJ slow) (PP (IN for) (NP (JJS most) (NNS people))))) (. .)))