College Students need help determining Acceleration

We are working on project using the 9-axis Invensense MPU 9250 motion chip sensor and we know the sensor gives us:

Gyros- X,Y,Z angular velocity in dps
Accels- X,Y,Z acceleration in G's
Quaternion- W,X,Y,Z body-to-world frame quaternion
Compass- X,Y,Z magnetic field strength in microteslas
linearaccel- X,Y,Z accelerometer data in body frame with gravity removed in G's
Euler-Pitch,Roll,Yaw body-to-world frame Euler angles in degrees
Rotmatrix-Body-to-world frame rotation matrix
Heading- Quaternion-derived heading in degrees

We have read that we could use linearaccel since it has removed the gravity, but the position will change. if we are using a golf club. So I also heard we need to look at the body-to-world

We need a starting point what to use to get the acceleration and velocity of moving object for example a golf club.