2) [2 point] Alice is purchasing a wearable IMU sensor for her project. She needs to collect 24-hour accelerometer and gyroscope 3-axial data from the project participants. Given that a sampling frequency of 128Hz is appropriate for her data analysis, which wearable sensor she should purchase? Consider that more memory in the device makes it more expensive and select the most appropriate option. Show your work and explain. 280MB 140MB 46MB 68MB