The irony of the Accelerated name is that the iPhone and iPod touch version of Ridge Racer is slow: not just a little slow, but unplayably slow on anything but the powerful iPhone 3GS and third-generation iPod touch. Namco offers three speed classes with different cars, starting with the molasses-like Class 1, graduating up to the sluggish Class 2, and then—if you’re willing to pay $2, yes, seriously—there’s Class 5 with cars…