article_snippet.sent: Another attempt is scheduled for tomorrow, and engineers at the Central Japan Railway Company predict A Japanese bullet train could reach 373mph (600km/h).
article_snippet.sent: Acceleration and deceleration far exceeds that of conventional trains.
article_snippet.sent: Right now speeds are limited at up to 400 kilometres (250 miles) per hour due to the excessive air resistance encountered at these speeds.
article_snippet.sent: But vacuum tube designs could allow vacuum tube designs to travel over seven times faster in the future.
article_snippet.sent: According to engineers, the trains will travel at 314mph (505km/h), which will cut the journey time for a 178-mile journey by more than half.
article_snippet.sent: For comparison, the UK's HS2 rail line will run at 224mph (360km/h).
article_snippet.sent: the trains are expected to eventually consist of 16 carriages and carry up to 1,000 passengers at a time.
article_snippet.sent: This travelled at a rather mundane 26mph (42km/hr).
highlights_snippet.sent: Seven-car train beat previous record of 361mph (580km/h) set in 2003 .
  
highlights_snippet.sent: Train's engineers are planning new attempt to reach 373mph (600km/h) 