* Sound travels at approximately 1,125 feet per second (343 meters per second).

* Light travels much faster than sound, so we can essentially assume you see the lightning instantly.

Calculation:

* Delay: You heard the thunder 2 seconds after seeing the lightning.

* Distance: 1,125 feet/second * 2 seconds = 2,250 feet

Therefore, the lightning strike was approximately 2,250 feet (about 0.43 miles) away.

Important Note: This is a rough estimate. The actual speed of sound can vary slightly depending on temperature and air pressure.