It is quite unlikely that you will make a photograph of a champagne cork without a special equipment.
Here is some college physics:
The speed of the champagne cork is somewhere between 40 and 100 km/h, in average around 70 km/h. This about 20 m/s. If you make a burst of photographs, the distance the cork will travel between two shots will be about 4 m, if you use just the camera battery and 5 fps. That makes the chances to capture the cork on the picture practically nil. If you made it it would be a pure coincidence.
You can still try to capture the cork but you will have to use the flash, otherwise the cork will be unsharp due to high speed.
Next, using the "pop" sound to trigger the shutter would not make it since the shutter lag is about 40 ms. You should also add about 10 ms for the sound to reach the microphone at the distance of 2 m. During this time the cork makes about 1 meter and would be out of range before the camera would take a shot.
The only reliable method would be a laser detector and a flash trigger. Take a look how to implement such an equipment here: