It takes a die-hard daredevil to seek out and take a ride on the fastest, steepest, most complex rollercoaster. If you are fearless and adventurous enough, you may want to book a trip to Dubai, suggests the Association of Mature American Citizens [AMAC]. It’s there you’ll find what the judges at the Guinness World Records say is the fastest vertical-launch rollercoaster on the planet. It is…