Who is the fastest man in the world (100m world record)?
Which is the fastest land animal in the world?
Which is the fastest bird in the world?
Which is the fastest fish in the world?
Which is the fastest car in the world (production)?
Which is the fastest train in the world?
Which is the fastest aircraft in the world?
Which is the fastest spacecraft launched by humans?
Which is the fastest internet technology commercially available?
Which is the fastest swimmer in Olympic history (most sprint golds)?
Which is the fastest motorcycle in the world?
Which is the fastest marathon time ever recorded?
Which is the fastest-growing major economy in recent years?
Which is the fastest elevator in the world?
Which is the fastest roller coaster in the world?