What physical phenomenon can be experienced during a rapid decompression?

During a rapid decompression, one of the primary physical phenomena experienced is windblast or flying debris. This occurs because, as pressure drops suddenly, the air within an environment (such as a cabin or aircraft) expands rapidly. This expansion creates a turbulent flow of air that can propel objects within that environment, causing them to become airborne and potentially strike individuals or damage equipment.

Moreover, the abrupt change in pressure can lead to a rush of air escaping through any openings, resulting in a significant airflow that feels like a blast of wind. This can put occupants in a vulnerable situation, as the force of the rushing air and any debris can contribute to injuries or complications in the emergency response.

In contrast, the other options do not accurately reflect the phenomena associated with rapid decompression. There is no pressure increase; instead, pressure drops. Temperature constancy does not apply because rapid decompression can lead to temperature changes due to the expansion of gases. Additionally, stable noise levels are unlikely, as the sudden change in the pressure environment typically results in loud noises from the rushing air and any dislodged objects.