in a Roller Coaster the first drop must be the tallest
or in other words the fastest more speed that the roller coaster gains at the start
make it allot more fun.
Kingda Ka
420 Ft. Top Thrill Dragster. This coaster is currently the second tallest coaster in the world
American Eagle at Six Flags Great America is 127 feet tall! It's first drop is actually 147 feet as it goes below ground level! It opened as the tallest and fastest roller coaster in the world when it opened! It is currently the tallest, fastest, and longest wooden racing roller coaster in the world!
Sheikra is not a scary roller coaster because when you do the drop you feel nothing at all.
Personally a drop.
at the top of the first hill, just before the first drop
King's Island's biggest roller coaster is the"Diamond Back" With speeds up to 80 mph, and a towering height of 230 ft. This racing coaster is the fastest and tallest coaster in the park!
Oblivion
55 MPH
Currently the world's fastest roller coaster is Formula Rossa which goes 150 mph.See the related link for the list of fastest roller coasters in the world.
The fastest roller coaster in the United States of America is Kingda Ka in Six Flags Great Adventure in Jackson, New Jersey. It uses hydraulic motors to launch the trains along a horizontal section of track from zero to 128 mph in an 3.5 seconds. It is also the tallest roller coaster in the world, being 456 feet tall and having a drop of 418 feet.
The most extreme roller coaster would be KINGDA KA, at Six Flags Great Adventure. It has a drop of 140m, the tallest drop in the world. Two other extreme coasters would be: * Top Thrill Dragster - a coaster like Kingda Ka but a shorter drop of 130m. It is located at Cedar Point. * Tower of Terror - located at Dreamworld, Australia, the coaster is launched 115m in the air before freefalling backwards. It is the tallest roller coaster in the southern hemisphere.