text: NASA  quot;scramjet quot; breaks speed record A tiny unmanned NASA  quot;scramjet quot; soared above the Pacific Ocean yesterday at nearly 10 times the speed of sound, or almost 7,000 mph, in a record-breaking demonstration of a radical new engine technology.
inputs: NASA  quot;scramjet quot; breaks speed record A tiny unmanned NASA  quot;scramjet quot; soared above the Pacific Ocean yesterday at nearly 10 times the speed of sound, or almost 7,000 mph, in a record-breaking demonstration of a radical new engine technology.