Pronunciation: [ɡə͡ʊz tˈɒp spˈiːd] (IPA) 
The phrase "goes top speed" is spelled /ɡoʊz tɒp spiːd/. In this phrase, "goes" is spelled with a silent "e" at the end to indicate a long vowel sound, and the "s" at the end is pronounced as a voiced "z" due to the preceding vowel sound. "Top" is spelled with a short vowel sound and the "o" sound is represented by the letter "o". "Speed" is spelled with a long "e" sound followed by a voiced consonant cluster "sp".
"Go top speed," or "goes top speed," refers to the act of reaching or operating at the highest possible speed or velocity. The phrase commonly applies to various vehicles, such as cars, boats, airplanes, or even certain mechanical or electronic devices.
When a vehicle "goes top speed," it means it is operating at its maximum capability, pushing its engine or power source to its limits to achieve the highest rate of movement possible. At top speed, the vehicle or device typically maximizes its performance, demonstrating its highest efficiency and power output.
Additionally, "goes top speed" can also convey the idea of acting or operating at the maximum speed one is capable of in a given situation. For instance, in sports or athletic competitions, an individual "going top speed" indicates that they are running, cycling, or swimming as fast as they can. It signifies their efforts to achieve the fastest time or reach the finish line with the greatest possible speed.
Overall, "goes top speed" captures the notion of reaching the utmost velocity or efficiency in either the mechanical or figurative sense. Whether in the context of vehicles or human performance, it signifies pursuing the highest achievable speed, often implying pushing boundaries and maximizing potential.
