This is a fun thought experiment, but it's important to understand why sound doesn't travel in space the same way it does on Earth.

Here's the breakdown:

* Sound needs a medium: Sound waves are vibrations that travel through matter. They need something to vibrate, like air, water, or solids.

* Space is a vacuum: Outer space is mostly empty, with very few particles. There's not enough matter for sound waves to propagate.

So, if you could somehow hear in space, the speed of sound wouldn't be a meaningful concept. There would be no sound to travel at any speed.

However, if you were to introduce a medium like a gas cloud, then the speed of sound would depend on the properties of that gas:

* Temperature: The hotter the gas, the faster the sound travels.

* Density: Denser gases allow sound to travel faster.

For example: The speed of sound in a typical interstellar cloud is about 10,000 mph (16,000 km/h). That's much faster than the speed of sound in air on Earth (around 767 mph or 1230 km/h).

So, while we can't hear in space, it's still interesting to think about how the properties of different media would affect the speed of sound if it were possible!