#include <Adafruit_MPU6050.h>

float z;
int t;

Adafruit_MPU6050 mpu;

void setup() {
  Serial.begin(115200);
  mpu.begin();
}

sensors_event_t event;

void loop() {
  mpu.getAccelerometerSensor()->getEvent(&event);
  z = event.acceleration.z;
  z = z / 9.80665;

  if(t > 10){
  Serial.println(z);
  t = 0;
  }
  else{
    t++;
  }
}