What is the fastest Hot Wheels?

I always wonder what was the fastest car/track that Mattel has ever released. I have this series of Top Speed, these cars came with a shuttle that propelled them very hard. But surely there is a car faster than these speed demons... Or is there?

I always wonder what was the fastest car/track that Mattel has ever released. I have this series of Top Speed, these cars came with a shuttle that propelled them very hard. But surely there is a car faster than these speed demons... Or is there?