What speed is characteristic of detonation?

Detonation is characterized by a rapidly propagating reaction wave that travels through a medium at supersonic speeds, meaning it exceeds the speed of sound in that medium. This is fundamental to understanding explosive reactions, as detonation involves a shock wave that moves faster than the speed of sound, resulting in a significant release of energy. In contrast, subsonic speeds refer to speeds that are below the speed of sound, which does not apply to detonation. Hyper-speed is not a term commonly used in physics or chemistry in this context, and a stationary state suggests there is no movement at all, which is contrary to the dynamic nature of a detonation. Therefore, the only option that accurately describes the speed associated with detonation is that it occurs at supersonic speeds.