The idea of "no limit to how fast something could go" refers to a hypothetical scenario and does not reflect the reality we observe in the universe. In our current understanding of physics, the speed of light represents an absolute cosmic speed limit.
The reason objects in our everyday experience do not exceed the speed of light is because they have mass. As an object with mass accelerates, it requires an increasing amount of energy to continue accelerating. The closer the object gets to the speed of light, the more energy it would need. In fact, an infinite amount of energy would be required to reach or surpass the speed of light. Since we don't have access to infinite energy, we are unable to accelerate objects with mass to such speeds.
It's also important to note that the concept of speed becomes less intuitive and behaves differently as we approach the speed of light. Time dilation and length contraction, as described by Einstein's theory of relativity, come into play, making it even more challenging to achieve or exceed the speed of light.
The idea of objects moving faster than light is not supported by empirical evidence and is incompatible with our current understanding of physics. The speed of light acts as a fundamental constraint in the universe, shaping the behavior of matter and energy.