The "escape velocity" from Earth (the speed required to escape Earth's gravity) is 2.5 x 104 miles per hour. What is this speed in m/s? (1 mile = 1609 m) 4.0 × 107 m/s 4.2 × 10-3 m/s 6.9 m/s 4.2 × 102 m/s 1.1 x 104 m/s Moving to another question will save this response. BenQ