Code from pR&D Activity 4
//accelerate all motors from 0% to 25% in 3 seconds
celerate(4,0,25,3);
//keep all motors at 25% for 2 seconds
motorSpeed(4,25);
goFor(2);
//reverse all motors
reverse(4);
//run all motors at 25% for 2 seconds
motorSpeed(4,25);
goFor(2);
//brake all motors
brake(4);