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What is the top speed of a fighter jet?

The top speed of a fighter jet varies depending on the specific model and design. Here are the top speeds of some well-known fighter jets:

1. Mikoyan MiG-31BM: Mach 2.83 (3,725 km/h; 2,314 mph)

2. MiG-25RB: Mach 3.2 (4,124 km/h; 2,559 mph)

3. Lockheed SR-71 Blackbird: Mach 3.5 (4,518 km/h; 2,807 mph)

4. Boeing X-43: Mach 9.68