APOD’s got a pretty cool representation of what Voyager 1 is about to encounter at the edge of the solar system.
90 AU out, and moving at over 3 AU/year. That’s over 448793612 km/year (278866864 miles/year) or 51197 km/h (31819 miles/h) or 14 km/s (8.8 miles/s). Now that’s fast.