Original sentence: It has now been Surpassed by the Gulfstream G650 (0.925Mach).The X was the fastest operative civilian jet with a top speed of Mach 0.92 (703 mph, 1131 km/h).This also made it the fastest business jet in history
Edited sentence: The X is the fastest operative civilian jet with a top speed of Mach 0.92 (703 mph, 1131 km/h).This also makes it the fastest business jet in history