No, there is no speed limit at which the speed of light is slower than the momentum or velocity of an object. According to the theory of special relativity, the speed of light in a vacuum, denoted by "c," is a fundamental constant of nature and is constant for all observers regardless of their relative motion.
In the theory of special relativity, it is postulated that as an object with mass approaches the speed of light, its momentum and velocity increase but never exceed or reach the speed of light. As an object with mass approaches the speed of light, its energy and momentum increase, but the increase in energy required to accelerate an object further becomes larger and larger, making it impossible to reach or surpass the speed of light.
Therefore, the speed of light, c, is always the same constant value regardless of the momentum or velocity of any object.