According to the theory of relativity, an object with mass cannot reach or exceed the speed of light in a vacuum, regardless of the method of acceleration. As an object with mass approaches the speed of light, its energy and momentum increase without bound, requiring an infinite amount of energy to accelerate it to the speed of light itself. This concept is often referred to as "relativistic mass increase."
Furthermore, as an object with mass accelerates towards the speed of light, its mass also increases, and it requires more and more energy to continue accelerating. As the object approaches the speed of light, its mass would become infinitely large, which is not feasible within our current understanding of physics.
Consequently, it is not possible for an object with mass to reach the exact speed of light without violating the known laws of physics. However, massless particles, such as photons (particles of light), travel at the speed of light in a vacuum since they have no mass.