Query if new acceleration data from the IMU is available.
IMU.accelerationAvailable()
None.
0 if no new acceleration data is available, 1 if new acceleration data is available.
float x, y, z;
if (IMU.accelerationAvailable()) {
IMU.readAcceleration(x, y, z);
Serial.print(x);
Serial.print('\t');
Serial.print(y);
Serial.print('\t');
Serial.println(z);
}