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Is 638.20 feet per second as fast as a Porsche 911?

It's about two times as fast as a Porsche 911
The speed of a Porsche 911 is about 300 feet per second.
(for Porsche 911 Type 997 GT2, 2007 model)
The Porsche 911 GT2 has a top speed of 300 feet per second. It takes just 7.4 seconds for the GT2 to accelerate to 147 feet per second.
There's more! See other comparisons to 638.20 feet per second...