"But at its current speed, it should be here in three hours."
At his current speed he was due to pass over the coastline in two minutes.
The current speed is effectively the average motion of the electrons.
I estimate her current speed at about twenty miles per hour.
About one and a quarter hours at current speed.
We are still almost an hour from its present position at current speeds.
"At current speed they'll be within weapons range in three hours, sir."
"At our current speed, we are only two days from Earth, and they must have this information."
"At their current speed, they will be in attack range within two and a half minutes."
At their current best possible speed, they were still months from the nearest Federation base.