In theory, a strong sound wave could affect a planet, but in practical terms, the effects would be negligible and highly unlikely to have any significant impact on the planet's rotation speed or other fundamental properties.
Sound waves are mechanical waves that travel through a medium, and in space, there is essentially no medium for sound to propagate through. Therefore, sound cannot travel through the vacuum of space to affect planets directly.
On planets with atmospheres, sound can propagate through the air. However, the effects of sound on the planet's rotation speed or other large-scale properties are negligible. Sound waves are relatively small-scale disturbances compared to the massive size and mass of planets. They do not carry enough energy to exert a significant force on a planet's rotation or motion.
To significantly affect a planet's rotation speed or motion, an external force on a planetary scale would be required. For example, celestial events like asteroid impacts or gravitational interactions with other large celestial bodies can have measurable effects on a planet's rotation and motion. But sound waves, even if extremely loud, would not generate the necessary forces to produce such effects.
In summary, while strong sound waves can have interesting effects on a smaller scale and in the presence of a medium like air, their impact on a planet's rotation speed or fundamental properties is negligible and not practically relevant.