You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "who has the fastest roller coaster in the world?" whose answer is Ferrari World Abu Dhabi.
Each document should contain about 30 words, and these documents should contain useful information.

Query: fastest roller coaster in the world
Useful Output:

Doc 1: With a top speed of 149.1 mph and the ability to clear 52 vertical meters in just 4.9 seconds, it's an incredible testament to the nameplate's reputation for
Doc 2: On-ride front-seat POV of Formula Rossa at Ferrari World Abu Dhabi. At 0-149mph in 4 seconds, it's the world's fastest roller coaster!
Doc 3: 240km/h in 4.9 seconds on the world's fastest rollercoaster. After scaling heart-racing heights of 52 metres and with the adrenalin rush of 4.8Gs riding high.
Doc 4: The Formula Rossa is capable of accelerating up to 240 km/h (149.1 mph) and can travel 52 meters upward in just 4.9 seconds, earning it the Guinness world
Doc 5: Manufactured by Intamin, the ride set a speed record when it opened on 4 November 2010, becoming the fastest roller coaster in the world with a maximum speed of