Final answer:
The A321 has a maximum speed of approximately Mach 0.82 and a maximum altitude of around 12,000 meters.
Step-by-step explanation:
The A321 is a commercial aircraft that falls under the discipline of Aeronautical Engineering. It is designed for both short and long-haul flights and has a maximum speed and altitude limit.
The maximum speed of an A321 is approximately Mach 0.82, which is equivalent to around 878 kilometers per hour (546 miles per hour). This speed can vary slightly depending on factors such as weight, altitude, and weather conditions.
The maximum altitude that an A321 can reach is approximately 12,000 meters (39,000 feet). This altitude is determined by the aircraft's design and capabilities and is typically where it operates during flight.