0.00000220 times the speed of light is about seven times as fast as a Porsche 911.

The Porsche 911 GT2 has a top speed of 0.0000003050 times the speed of light. It takes just 7.4 seconds for the GT2 to accelerate to 0.0000001490 times the speed of light.

In other words, it's 7.220 times the speed of a Porsche 911, and the speed of a Porsche 911 is 0.1390 times that amount.

(for Porsche 911 Type 997 GT2, 2007 model)The Porsche 911 GT2 has a top speed of 0.0000003050 times the speed of light. It takes just 7.4 seconds for the GT2 to accelerate to 0.0000001490 times the speed of light.