It's tricky to give a single speed for a "man-made spaceship" because it depends on what you're referring to. Here's a breakdown:

* Fastest human-made object: The Parker Solar Probe holds the record for fastest speed relative to the Sun, reaching a staggering 430,000 mph (692,000 km/h). However, this is a specific mission with a unique trajectory.

* Current spacecraft speeds: Most operational spacecraft travel at much lower speeds. For example, the International Space Station orbits Earth at about 17,500 mph (28,000 km/h).

* Future potential: Upcoming missions like Starship (developed by SpaceX) aim for much higher speeds, potentially reaching up to 100,000 mph (160,000 km/h) or more. This would still be significantly slower than the speed of light (186,282 miles per second, or about 670,616,629 mph).

Important Note: These speeds are relative to Earth or the Sun. Spacecraft speeds are also affected by gravity and the gravitational pull of other celestial bodies.

Let me know if you want to know more about the speeds of specific spacecraft!