WASHINGTON (7News) — The U.S. national debt surpassed a record $40 trillion this week, a figure that economists and lawmakers expect to continue rising. Data from the Joint Economic Committee of the US Congress reveals that debt grew at a staggering rate of $90,000 per second over the past year. 19-year-old illegal immigrant arrested after deadly stabbing in Great Falls To explain what this means, 7News spoke with Don Boudreaux of George Mason University’s Department of Economics. Boudreaux addresses the main factors behind the rapid increase, how it affects everyday families, and possible paths to fiscal recovery. US national debt hits $40 trillion, rising at $90,000 per second (7News)Watch the full interview in the video player above, or follow the numbers in real time on the US Debt Watch Live.