They represented a combined speed of six hundred miles per hour.

The two lines were drawing together at a combined speed of fourteen knots: in less than five minutes they would be within range.

His voice crackled over the radio as the planes approached each other at a combined speed of more than 300 miles an hour.

It would crush his car like an eggshell with its size and the combined speeds.

The controllers knew the two planes were approaching at a combined speed of almost 1,000 miles an hour.

Fifteen miles, and the aircraft were closing at a combined speed of around 1.200 knots.

Estimating the combined speed, Eusebius decided they would be within firing range in less than two minutes.

Suddenly, the ships were headed at each other at a high rate of combined speed.

But there wasn't enough time, not at combined speeds of more than a thousand units per hour, and the .

The combined speed ate up the distance between the submarines rapidly.