An object with mass cannot be accelerated up to lightspeed because

Group of answer choices

the length decreases toward zero as it approaches lightspeed.

the kinetic energy increases toward infinity $($i$.$e$.$ without bound$)$ as it approaches lightspeed.

nothing can move at the speed of light.

of the curvature of space, which increases toward infinite curvature as the object approaches lightspeed.

Nonsense$--$objects can be sped up to lightspeed, as we can see from the example of light itself.