No, a nanosecond is not faster than the speed of light. The speed of light in a vacuum, denoted by the symbol "c," is approximately 299,792,458 meters per second. This speed is an absolute limit in our current understanding of physics, according to Einstein's theory of relativity.
A nanosecond, on the other hand, is a unit of time equal to one billionth (1/1,000,000,000) of a second. It is a very small unit of time, but it does not have any direct relation to the speed of light.
It's important to note that the speed of light is a constant that remains the same regardless of the reference frame or the relative motion of objects. Nothing with mass can travel faster than the speed of light in a vacuum, according to our current understanding of the laws of physics.