Consider a expanding bullet at 1500 fps. Assume it expands. Now consider the same bullet at 2000 fps. Assume the bullet construction is such that the greater velocity causes it to expand to a larger diameter. It creates a larger wound channel due to the both greater diameter and (probably) velocity.
....Unless that larger diameter (or fragmentation) limits penetration too much. Then it may actually be a smaller wound channel, if the animal is large enough.
If you are going to get into a discussion about the OP's question, you are going to have to talk about how the bullet behaves.
Yes, definitely.
